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Mariner Portfolio holdings
AUM
$85.7B
1-Year Est. Return
24.21%
This Fund
S&P 500
This Quarter
Est. Return
-0.96%
1 Year Est. Return
+24.21%
3 Year Est. Return
+74.24%
5 Year Est. Return
+87.67%
10 Year Est. Return
+269.13%
AUM
$85.7B
AUM Growth
+$1.66B
(+2%)
Cap. Flow
+$4.07B
Cap. Flow
% of AUM
4.75%
Top 10 Holdings %
Top 10 Hldgs %
27.24%
Holding
3,909
New
385
Increased
1,802
Reduced
1,276
Closed
364
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apollo Global Management
APO
|
+$274M |
| 2 |
iShares 3-7 Year Treasury Bond ETF
IEI
|
+$184M |
| 3 |
Microsoft
MSFT
|
+$172M |
| 4 |
Vanguard FTSE Developed Markets ETF
VEA
|
+$170M |
| 5 |
iShares Core US Aggregate Bond ETF
AGG
|
+$169M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares 7-10 Year Treasury Bond ETF
IEF
|
+$179M |
| 2 |
T-Mobile US
TMUS
|
+$162M |
| 3 |
ProShares Ultra Semiconductors
USD
|
+$135M |
| 4 |
ServiceNow
NOW
|
+$128M |
| 5 |
Abbott
ABT
|
+$126M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.37% |
| 2 | Financials | 7.66% |
| 3 | Healthcare | 5.22% |
| 4 | Consumer Discretionary | 5.2% |
| 5 | Industrials | 4.64% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
26
Berkshire Hathaway Class B
BRK.B
$1.06T
| $602M | 0.7% |
1,256,077
+39,927
| +3% | +$19.6M |
|
27
Vanguard Total Stock Market ETF
VTI
$662B
| $595M | 0.69% |
1,854,681
+66,626
| +4% | +$22.4M |
|
28
Vanguard Small-Cap ETF
VB
$80B
| $580M | 0.68% |
2,215,685
+249,753
| +13% | +$67.6M |
|
29
Schwab US Large-Cap Growth ETF
SCHG
$60B
| $576M | 0.67% |
19,764,193
-314,399
| -2% | -$9.77M |
|
30
Vanguard S&P 500 ETF
VOO
$981B
| $537M | 0.63% |
898,405
+39,665
| +5% | +$24.8M |
|
|
31
Apollo Global Management
APO
$68.2B
| $518M | 0.6% |
4,645,974
+2,212,351
| +91% | +$274M |
|
32
Corning
GLW
$140B
| $484M | 0.57% |
3,562,752
+40,850
| +1% | +$4.93M |
|
33
GE Vernova
GEV
$290B
| $482M | 0.56% |
552,162
+52,875
| +11% | +$41.3M |
|
34
Johnson & Johnson
JNJ
$599B
| $471M | 0.55% |
1,928,325
+29,183
| +2% | +$6.8M |
|
35
ExxonMobil
XOM
$629B
| $438M | 0.51% |
2,583,593
+28,280
| +1% | +$4.13M |
|
36
Costco
COST
$415B
| $436M | 0.51% |
437,088
+40,755
| +10% | +$39.7M |
|
37
Procter & Gamble
PG
$347B
| $425M | 0.5% |
2,940,512
+107,089
| +4% | +$16.2M |
|
38
iShares S&P 500 Growth ETF
IVW
$74.4B
| $403M | 0.47% |
3,565,694
-99,843
| -3% | -$12M |
|
39
Amgen
AMGN
$198B
| $379M | 0.44% |
1,076,357
+4,964
| +0.5% | +$1.77M |
|
40
Home Depot
HD
$332B
| $371M | 0.43% |
1,127,180
-1,839
| -0.2% | -$670K |
|
41
iShares Russell Top 200 Growth ETF
IWY
$16.5B
| $347M | 0.41% |
1,393,999
-72,055
| -5% | -$19.1M |
|
42
Chevron
CVX
$378B
| $345M | 0.4% |
1,664,863
+41,958
| +3% | +$7.65M |
|
43
Merck
MRK
$307B
| $336M | 0.39% |
2,795,221
+41,991
| +2% | +$4.85M |
|
44
Visa
V
$686B
| $320M | 0.37% |
1,059,618
+48,661
| +5% | +$15.6M |
|
45
Mastercard
MA
$484B
| $317M | 0.37% |
634,854
-13,821
| -2% | -$7.28M |
|
46
iShares MSCI EAFE ETF
EFA
$76.9B
| $304M | 0.35% |
3,127,682
-149,759
| -5% | -$15M |
|
47
PNC Financial Services
PNC
$99.8B
| $302M | 0.35% |
1,451,983
+82,921
| +6% | +$18.1M |
|
48
NextEra Energy
NEE
$184B
| $297M | 0.35% |
3,193,065
+26,958
| +0.9% | +$2.4M |
|
49
Vanguard Dividend Appreciation ETF
VIG
$110B
| $293M | 0.34% |
1,363,406
-28,892
| -2% | -$6.44M |
|
50
Palantir
PLTR
$318B
| $287M | 0.34% |
1,962,003
+709,640
| +57% | +$109M |
|
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Mariner's Q1 2026 Portfolio in Review
As of Q1 2026, Mariner held 3,909 positions worth $85.7B, up 2% from $84B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
Mariner deployed $4.07B of net new capital in Q1 2026, opening 385 new positions and adding to 1,802 existing holdings. Its largest new stake was BNY Mellon Dynamic Value ETF: 960,263 shares worth $28.5M.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 23% a quarter earlier, followed by Financials and Healthcare.
On the sell side, the largest reduction was iShares 7-10 Year Treasury Bond ETF, an estimated $179M trimmed.
- Mariner's largest Q1 2026 buy was BNY Mellon Dynamic Value ETF: 960,263 shares worth $28.5M.
- Mariner added most to Apollo Global Management in Q1 2026, an estimated $274M increase.
- Mariner's biggest Q1 2026 reduction was iShares 7-10 Year Treasury Bond ETF, cutting an estimated $179M.
- Mariner fully exited Exact Sciences in Q1 2026, selling an estimated $11.1M.
- Mariner's ten largest holdings make up 27% of its $85.7B portfolio in Q1 2026.
- Mariner opened 385 new positions and closed 364 in Q1 2026.
- Mariner's portfolio value rose 2% quarter-over-quarter to $85.7B.
Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.